-2(2-b)=-8(10-5b)

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Solution for -2(2-b)=-8(10-5b) equation:


Simplifying
-2(2 + -1b) = -8(10 + -5b)
(2 * -2 + -1b * -2) = -8(10 + -5b)
(-4 + 2b) = -8(10 + -5b)
-4 + 2b = (10 * -8 + -5b * -8)
-4 + 2b = (-80 + 40b)

Solving
-4 + 2b = -80 + 40b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-40b' to each side of the equation.
-4 + 2b + -40b = -80 + 40b + -40b

Combine like terms: 2b + -40b = -38b
-4 + -38b = -80 + 40b + -40b

Combine like terms: 40b + -40b = 0
-4 + -38b = -80 + 0
-4 + -38b = -80

Add '4' to each side of the equation.
-4 + 4 + -38b = -80 + 4

Combine like terms: -4 + 4 = 0
0 + -38b = -80 + 4
-38b = -80 + 4

Combine like terms: -80 + 4 = -76
-38b = -76

Divide each side by '-38'.
b = 2

Simplifying
b = 2

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